Thinking about program evaluation.  2nd. ed 
BERK, Richard A; ROSSI, Peter H 
 -  Sage  1999 
 - 128 p. 
<br/><br/><label>Subjects--Index Terms: </label>Program evaluation; Maatsk.werk evaluering 
<br/><br/><label>Dewey Class. No.: </label>361.6